--- /dev/null
+error: the use of negated comparison operators on partially ordered types produces code that is hard to read and refactor, please consider using the `partial_cmp` method instead, to make it clear that the two values could be incomparable
+ --> $DIR/neg_cmp_op_on_partial_ord.rs:16:21
+ |
+LL | let _not_less = !(a_value < another_value);
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: `-D clippy::neg-cmp-op-on-partial-ord` implied by `-D warnings`
+
+error: the use of negated comparison operators on partially ordered types produces code that is hard to read and refactor, please consider using the `partial_cmp` method instead, to make it clear that the two values could be incomparable
+ --> $DIR/neg_cmp_op_on_partial_ord.rs:19:30
+ |
+LL | let _not_less_or_equal = !(a_value <= another_value);
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: the use of negated comparison operators on partially ordered types produces code that is hard to read and refactor, please consider using the `partial_cmp` method instead, to make it clear that the two values could be incomparable
+ --> $DIR/neg_cmp_op_on_partial_ord.rs:22:24
+ |
+LL | let _not_greater = !(a_value > another_value);
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: the use of negated comparison operators on partially ordered types produces code that is hard to read and refactor, please consider using the `partial_cmp` method instead, to make it clear that the two values could be incomparable
+ --> $DIR/neg_cmp_op_on_partial_ord.rs:25:33
+ |
+LL | let _not_greater_or_equal = !(a_value >= another_value);
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 4 previous errors
+